Anime like HERO MASK

Eureka Seven

2005, TV, 50 episodes, 78% on AniList

Both have Action.

Renton is a teenager trapped working as a mechanic in a backwater town. He dreams of joining up with a daredevil group of pilots known as Gekkostate and following in his father's heroic footsteps.

B: The Beginning

2018, ONA, 12 episodes, 69% on AniList

Both have Police.

In a world powered by advanced technology, crime and action unfold in the archipelagic nation of Cremona. Koku, the protagonist. Keith, the legendary investigator of the royal police force RIS.

Knights of Sidonia

2014, TV, 12 episodes, 73% on AniList

Both have Action.

It's been a thousand years since the Gauna, a strange alien race with no known method of communication, destroyed the solar system.

Gate

2015, TV, 12 episodes, 74% on AniList

Both have Action.

The military fantasy series begins when a gate appears in Tokyo's Ginza district sometime in the 21st century.

Durarara!!

2010, TV, 24 episodes, 79% on AniList

Both have Urban.

In Tokyo's downtown district of Ikebukuro, amidst many strange rumors and warnings of anonymous gangs and dangerous occupants, one urban legend stands out above the rest—the existence of a headless…

Deadman Wonderland

2011, TV, 12 episodes, 67% on AniList

Both have Super Power.

Ganta is the only survivor after a mysterious man in red slaughters a classroom full of teenagers.

PSYCHO-PASS

2012, TV, 22 episodes, 81% on AniList

Recommended by 5 HERO MASK fans on AniList. Both have Police, Guns, Urban.

Justice, and the enforcement of it, has changed. In the 22nd century, Japan enforces the Sibyl System, an objective means of determining the threat level of each citizen by examining their mental…

Gargantia on the Verdurous Planet

2013, TV, 13 episodes, 72% on AniList

Both have Action.

The story begins in the distant future in the far reaches of the galaxy. The Human Galactic Alliance has been constantly fighting for its survival against a grotesque race of beings called…

Kokoro Connect

2012, TV, 13 episodes, 75% on AniList

The five members of the Cultural Research Club - Taichi Yaegashi, Iori Nagase, Himeko Inaba, Yui Kiriyama, and Yoshifumi Aoki - encounter a bizarre phenomenon one day when Aoki and Yui switch bodies…

Sirius the Jaeger

2018, TV, 12 episodes, 68% on AniList

Both have Guns.

Imperial Capital, 1930.

Joker Game

2016, TV, 12 episodes, 66% on AniList

Both have Action, Mystery.

In 1937, before World War II begins in earnest. Lieutenant Colonel Yuuki of the Imperial Japanese Army forms the "D Agency," an army intelligence outfit under his command and tutelage.

Apocalypse Bringer Mynoghra: World Conquest Starts with the Civilization of Ruin

2025, TV, 13 episodes, 66% on AniList

Both have Action.

Takuto Ira succumbed to illness at a young age and ended up reincarnating in a world that resembles the fantasy turn-based strategy game Eternal Nations.

The Heroic Legend of Arslan

2015, TV, 25 episodes, 74% on AniList

Both have Action.

The manga’s story: In the prosperous kingdom of Pars lies the Royal Capital of Ecbatana, a city of splendor and wonder, ruled by the undefeated and fearsome King Andragoras.

Ultramarine Magmell

2019, TV, 13 episodes, 58% on AniList

Both have Super Power.

The fantasy series takes place in a world where a new continent named Magmell suddenly appears in the ocean, and a new age of exploration begins.

Desert Punk

2004, TV, 24 episodes, 69% on AniList

Both have Guns.

The Great Kanto Desert is a miserable place. It’s also the home of hero-for-hire Desert Punk, the closest thing to a good guy the wasteland’s got.

Darwin's Game

2020, TV, 11 episodes, 70% on AniList

Both have Urban, Super Power.

Kaname Sudou, an ordinary high school student, receives an invitation email to try a mysterious app called "Darwin's Game." Kaname, upon launching the app, is drawn into a game where players fight…

SPRIGGAN (ONA)

2022, ONA, 6 episodes, 68% on AniList

Both have Action, Sci-Fi.

A great civilization once existed on this Earth. Possessing knowledge and scientific prowess far exceeding that of modern man, the relics of this ancient civilization remain hidden across this world…

Lord Marksman and Vanadis

2014, TV, 13 episodes, 67% on AniList

Tigrevurmud Vorn, the young lord of a remote region far from the kingdom's center, is commanded by the king to go fight the war against a neighboring country.

DRIFTERS

2016, TV, 12 episodes, 76% on AniList

Both have Action.

The story centers around Shimazu Toyohisa, the real-life samurai who fought in the pivotal Battle of Sekigahara.

Blood Blockade Battlefront

2015, TV, 12 episodes, 74% on AniList

Both have Urban, Super Power.

A breach between Earth and the netherworlds has opened up over the city of New York, trapping New Yorkers and creatures from other dimensions in an impenetrable bubble.